You ______ wear a helmet when you ride a bike., must, mustn’t, You ______ talk loudly in the library., must, mustn’t, Students ______ be on time for school., must, mustn’t, You ______ play with matches., must, mustn’t, You ______ wash your hands before meals., must, mustn’t, You ______ run in the hallway., must, mustn’t, You ______ do your homework every day., must, mustn’t, You ______ eat too much junk food., must, mustn’t, You ______ listen to your teacher in class., must, mustn’t, You ______ cross the street at the red light., must, mustn’t, You ______ keep your room clean., must, mustn’t, You ______ touch the hot stove., must, mustn’t, You ______ drink clean water., must, mustn’t, You ______ be quiet in the hospital., must, mustn’t, You ______ help others when they need help., must, mustn’t

Unit 5A: Grammar

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